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    ENDOSCOPE AND ENDOSCOPE SYSTEM
    1.
    发明申请
    ENDOSCOPE AND ENDOSCOPE SYSTEM 审中-公开

    公开(公告)号：US20200323421A1

    公开(公告)日：2020-10-15

    申请号：US16911454

    申请日：2020-06-25

    Applicant: OLYMPUS CORPORATION

    Inventor： Suguru OKANIWA ,  Seisuke TAKASE ,  Hidehiro JOKO ,  Isamu NAKAJIMA

    IPC: A61B1/00 ,  A61B1/005

    Abstract: An endoscope according to the present invention includes an elongated insertion portion, a flexible tube included in a proximal end side of the insertion portion, a rigidity changing mechanism provided inside the flexible tube and configured to change rigidity of the flexible tube by operation on a hand side, and a large diameter portion provided on an outer circumference of the flexible tube and configured to indicate a distal end of the rigidity changing region of the flexible tube by the rigidity changing mechanism.

    ENDOSCOPE
    2.
    发明申请
    ENDOSCOPE 审中-公开

    公开(公告)号：US20180256010A1

    公开(公告)日：2018-09-13

    申请号：US15978256

    申请日：2018-05-14

    Applicant: OLYMPUS CORPORATION

    Inventor： Suguru OKANIWA ,  Seisuke TAKASE ,  Hidehiro JOKO ,  Isamu NAKAJIMA

    IPC: A61B1/00 ,  A61B1/005

    CPC classification number: A61B1/00078 ,  A61B1/00 ,  A61B1/00096 ,  A61B1/00133 ,  A61B1/0055 ,  A61B1/0057 ,  G02B23/24 ,  G02B23/2476

    Abstract: An endoscope includes: an insertion portion formed in an elongated shape; a mesh tube formed by braiding thin wires in a tubular shape and provided in a shape of a cylinder inside the insertion portion; and a rigidity changing mechanism including a coil inserted in the insertion portion and formed by winding an element wire, and a wire inserted in the coil and formed by intertwining element wires, the rigidity changing mechanism being configured to apply a compression force to the coil by pulling the wire, to adjust a bending rigidity of the insertion portion, wherein a dimension of a gap created between the thin wires in the mesh tube is set to be smaller than a diameter of the wire and larger than a diameter of each of the element wires of the wire.

    ENDOSCOPE SYSTEM
    6.
    发明申请
    ENDOSCOPE SYSTEM 审中-公开

    公开(公告)号：US20180249892A1

    公开(公告)日：2018-09-06

    申请号：US15971050

    申请日：2018-05-04

    Applicant: OLYMPUS CORPORATION

    Inventor： Suguru OKANIWA ,  Seisuke TAKASE ,  Hidehiro JOKO ,  Isamu NAKAJIMA

    IPC: A61B1/005 ,  A61B1/273 ,  A61B1/00 ,  A61B1/01

    CPC classification number: A61B1/0055 ,  A61B1/00078 ,  A61B1/01 ,  A61B1/018 ,  A61B1/273 ,  G02B23/24

    Abstract: An endoscope system sets a hardness variation of a thick flexible tube portion and a hardness variation of a thin flexible tube portion such that their respective ratios against base hardness are constant, and as each flexible tube portion becomes thicker, the hardness variation increases and an endoscope with a relatively thin flexible tube portion has a smaller hardness variation. This makes it possible to avoid situations like an endoscope with a thick flexible tube portion lacking hardness or an endoscope with a thin flexible tube portion becoming too hard, and makes it possible to perform optimum insertion operation in accordance with the thickness of a flexible tube.

    ENDOSCOPE SYSTEM
    7.
    发明申请
    ENDOSCOPE SYSTEM 审中-公开
    内窥镜系统

    公开(公告)号：US20160309986A1

    公开(公告)日：2016-10-27

    申请号：US15201641

    申请日：2016-07-05

    Applicant: OLYMPUS CORPORATION

    Inventor： Seiji SAITO ,  Suguru OKANIWA

    IPC: A61B1/00 ,  A61B1/31 ,  A61M25/10 ,  A61B1/04 ,  A61B1/005 ,  A61B1/06

    CPC classification number: A61B1/00064 ,  A61B1/00082 ,  A61B1/00135 ,  A61B1/00154 ,  A61B1/0051 ,  A61B1/01 ,  A61B1/04 ,  A61B1/0661 ,  A61B1/31 ,  A61M25/10181 ,  G02B23/24

    Abstract: An endoscope system includes an endoscope and a plurality of over-tubes provided with tube insertion sections having flexibility, through which an insertion section of the endoscope is inserted, and balloons to be expanded and contracted disposed on distal end sides of the tube insertion sections, in which at least outer diameters of the tube insertion sections are different from one another. A size relation of effective lengths of the respective tube insertion sections in the plurality of over-tubes is set to be opposite to a size relation of outer diameters of the tube insertion sections.

    Abstract translation: 一种内窥镜系统，包括内窥镜和多个具有柔性的管插入部的多个管，所述内窥镜的插入部通过所述插入部插入所述管插入部的前端侧，扩张收缩的气囊， 其中管插入部的至少外径彼此不同。 将多个上管中的各管插入部的有效长度的大小关系设定为与管插入部的外径的尺寸关系相反。

    ENDOSCOPE SYSTEM
    8.
    发明申请
    ENDOSCOPE SYSTEM 审中-公开

    公开(公告)号：US20180000325A1

    公开(公告)日：2018-01-04

    申请号：US15706682

    申请日：2017-09-16

    Applicant: OLYMPUS CORPORATION

    Inventor： Suguru OKANIWA ,  Seisuke TAKASE ,  Hidehiro JOKO ,  Isamu NAKAJIMA

    IPC: A61B1/00

    CPC classification number: A61B1/00135 ,  A61B1/00078 ,  A61B1/0014 ,  A61B1/00154 ,  A61B1/0051 ,  G02B23/24

    Abstract: Maximum hardness of a flexible tube section of an endoscope is set such that substantial maximum hardness at a time when an over-tube is attached is equal to or lower than maximum hardness of a flexible tube section of an endoscope. That is, the maximum hardness of the flexible tube section of the endoscope is set substantially equal to hardness obtained by subtracting hardness of the over-tube itself from the maximum hardness of the flexible tube section of the endoscope. In the endoscopes including a hardness changing function, maximum hardness of the endoscope, to which the over-tube is not attached, and maximum hardness of the endoscope, to which the over-tube is attached, are set substantially equal.

    ENDOSCOPE CONDUIT SWITCHING APPARATUS
    9.
    发明申请
    ENDOSCOPE CONDUIT SWITCHING APPARATUS 审中-公开
    内窥镜开关装置

    公开(公告)号：US20170000323A1

    公开(公告)日：2017-01-05

    申请号：US15266725

    申请日：2016-09-15

    Applicant: OLYMPUS CORPORATION

    Inventor： Naomi MATSUO ,  Suguru OKANIWA

    IPC: A61B1/12 ,  G02B23/24 ,  G02B27/00 ,  A61B1/015

    CPC classification number: A61B1/126 ,  A61B1/00 ,  A61B1/00068 ,  A61B1/015 ,  G02B23/24 ,  G02B23/2476 ,  G02B27/0006

    Abstract: An endoscope conduit switching apparatus configured to have a cylinder to which a plurality of conduits provided in an endoscope are connected, a piston that is fitted and inserted into the cylinder to be capable of advancing and retreating, and an urging member that urges the piston to the normal position, and switch communication states of the plurality of conduits, includes: a seal member configured to isolate the gas flow conduit from an outside, when the piston is in the normal position, and a leak portion configured to be provided on the wall face of the other one, and open the gas flow conduit to the outside in a space between the cylinder and the piston when the piston is in a position that closes the liquid flow conduit and allows the gas flow conduit to be continuous.

    Abstract translation: 一种内窥镜管道切换装置，其被构造成具有连接有设置在内窥镜中的多个管道的圆筒，安装并插入到所述圆筒中以能够前进和后退的活塞，以及将所述活塞促使 所述多个管道的正常位置和开关通信状态包括：密封构件，其构造成当所述活塞处于正常位置时将所述气体流动管道与外部隔离;以及泄漏部分，其构造成设置在所述壁上 并且当活塞处于关闭液体流动管道并允许气体流动导管连续的位置时，在气缸和活塞之间的空间中将气体流动管道打开到外部。

    BENDING TUBE FOR ENDOSCOPE, ENDOSCOPE AND METHOD FOR MANUFACTURING BENDING TUBE FOR ENDOSCOPE
    10.
    发明申请
    BENDING TUBE FOR ENDOSCOPE, ENDOSCOPE AND METHOD FOR MANUFACTURING BENDING TUBE FOR ENDOSCOPE 有权
    用于内窥镜，内窥镜的弯曲管和制造用于内窥镜的弯曲管的方法

    公开(公告)号：US20160278617A1

    公开(公告)日：2016-09-29

    申请号：US15173841

    申请日：2016-06-06

    Applicant: OLYMPUS CORPORATION

    Inventor： Suguru OKANIWA ,  Takanori WATANABE

    IPC: A61B1/005 ,  A61B1/05 ,  A61B1/06 ,  A61B1/00

    CPC classification number: A61B1/0052 ,  A61B1/00009 ,  A61B1/0011 ,  A61B1/00121 ,  A61B1/0055 ,  A61B1/051 ,  A61B1/06 ,  G02B23/2476

    Abstract: A bending tube for an endoscope, which is provided inside a bending portion of an insertion portion of an endoscope and includes a plurality of bending pieces covered by a flexible tube body, the bending tube including a distalmost end bending piece connected to a distal end portion of an insertion portion, a proximalmost end bending piece connected to a flexible tube portion of the insertion portion, and a net-like tube covering an outer periphery of the plurality of bending pieces except the distalmost end bending piece and the proximalmost end bending piece and including a distal end part fixed to a first bending piece joined to the distalmost end bending piece and a proximal end part fixed to a second bending piece joined to the proximalmost end bending piece.

    Abstract translation: 一种用于内窥镜的弯曲管，其设置在内窥镜的插入部的弯曲部的内侧，并且包括被柔性管体覆盖的多个弯曲片，所述弯曲管包括与前端部连接的最远端的弯曲块 插入部分的最近端弯曲件，连接到插入部分的柔性管部分的最近端部弯曲件，以及覆盖多个弯曲件的除了最远端弯曲件和最近端部弯曲件外的多个弯曲件的外周的网状管， 包括固定到连接到最远端弯曲块的第一弯曲块的远端部分和固定到与最近端弯曲块接合的第二弯曲块的近端部分。

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